E90Post
 


TireRack
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Please help!!!! Question about used KW v3.



Reply
 
Thread Tools Search this Thread
      05-24-2013, 06:57 PM   #1
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Please help!!!! Question about used KW v3.

Hi, so I bought this set of kw v3 from a forum member. In case I am not ripped off, can anyone tell me how can I identify its for E92 RWD or not? He does not have the box.
Also, how do i know its in good condition or not.
I will pose pic later.
But I really need some information first.
Please help me out but please don't mislead me if you are not sure.
Thx
Jason
update: this is the damage on it. will it influence the suspension?
Name:  photo 3_??.jpg
Views: 332
Size:  115.0 KB

here is some more detail pic of the suspension:


Name:  b.jpg
Views: 282
Size:  129.0 KB

Name:  c.jpg
Views: 279
Size:  129.6 KB

Name:  e.jpg
Views: 273
Size:  144.3 KB

Name:  a.jpg
Views: 268
Size:  115.6 KB

Name:  d.jpg
Views: 270
Size:  116.2 KB

Name:  g.jpg
Views: 266
Size:  108.4 KB

Name:  f.jpg
Views: 272
Size:  126.4 KB

Name:  h.jpg
Views: 265
Size:  132.8 KB

Name:  i.jpg
Views: 269
Size:  129.5 KB

Name:  j.jpg
Views: 266
Size:  147.3 KB

Name:  k.jpg
Views: 271
Size:  141.2 KB

Last edited by jasonlu; 05-24-2013 at 10:54 PM.
jasonlu is offline   United_States
0
Reply With Quote
      05-24-2013, 07:05 PM   #2
ashmostro
Lieutenant Colonel
 
ashmostro's Avatar
 
Drives: '13 335is DCT
Join Date: Jan 2013
Location: Vienna, VA

Posts: 1,640
iTrader: (9)

Quote:
Originally Posted by jasonlu View Post
But I really need some information first.
I'm confused. Did you buy them first but now you want information, or the other way around?
__________________
2013 335is DCT -- Apex 17x9 ET30 + 255/40-17" Toyo R1R | Quaife LSD | JRZ RS1 - 450/800# | M3 + Hardrace arms | BMS CP + OCC | ETS 5" FMIC | AFE FBO | RB PCV | Setrab + Improved Racing oil cooling | Stoptech f+r BBK | Cobb BQ Tune

ashmostro is offline   United_States
0
Reply With Quote
      05-24-2013, 07:40 PM   #3
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
sorry, i bought them first and need help identify them.
because the deal is too good and i cant wait.
jasonlu is offline   United_States
0
Reply With Quote
      05-25-2013, 04:14 AM   #4
e679
Private First Class
 
e679's Avatar
 
Drives: E93
Join Date: Dec 2011
Location: Hong Kong

Posts: 117
iTrader: (0)

It is for e9x-non M but I am not sure if KW made difference spring rate for e91/e93/e92.

One more thing, the rear shocks may need rebuild.
__________________
E93 335i Alpine White, 19" Works, PSS, M3 arms, M3 bushings,M3 E93 FSB/E92 RSB, powerflex rear diff bush.
AST 5100 with M3 rear camber arms. GC street plates.
e679 is offline   Hong Kong
0
Reply With Quote
      05-25-2013, 01:31 PM   #5
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Quote:
Originally Posted by e679
It is for e9x-non M but I am not sure if KW made difference spring rate for e91/e93/e92.

One more thing, the rear shocks may need rebuild.
Thx,
Is it because the damage on the black plastic part? How can I rebuild it?
jasonlu is offline   United_States
0
Reply With Quote
      05-25-2013, 09:53 PM   #6
e679
Private First Class
 
e679's Avatar
 
Drives: E93
Join Date: Dec 2011
Location: Hong Kong

Posts: 117
iTrader: (0)

Quote:
Originally Posted by jasonlu
Quote:
Originally Posted by e679
It is for e9x-non M but I am not sure if KW made difference spring rate for e91/e93/e92.

One more thing, the rear shocks may need rebuild.
Thx,
Is it because the damage on the black plastic part? How can I rebuild it?
No, is b'cuz they lose strength (shafts doesn't push back out)

Is better rebuild by pros but you may search the Internet on how to rebuild shocks and see if you can buy the necessary parts/oil from KW.
Btw, you better rebuild all corners together

Remember to recycle the oil!
.
__________________
E93 335i Alpine White, 19" Works, PSS, M3 arms, M3 bushings,M3 E93 FSB/E92 RSB, powerflex rear diff bush.
AST 5100 with M3 rear camber arms. GC street plates.
e679 is offline   Hong Kong
0
Reply With Quote
      05-26-2013, 01:33 PM   #7
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Quote:
Originally Posted by e679
Quote:
Originally Posted by jasonlu
Quote:
Originally Posted by e679
It is for e9x-non M but I am not sure if KW made difference spring rate for e91/e93/e92.

One more thing, the rear shocks may need rebuild.
Thx,
Is it because the damage on the black plastic part? How can I rebuild it?
No, is b'cuz they lose strength (shafts doesn't push back out)

Is better rebuild by pros but you may search the Internet on how to rebuild shocks and see if you can buy the necessary parts/oil from KW.
Btw, you better rebuild all corners together

Remember to recycle the oil!
.
Thx, did some research online and find out rebuild the suspension cost around 140 each shock and I have to send it to Kw in northcal to do it.
Anyone got any other suggestion?
jasonlu is offline   United_States
0
Reply With Quote
      05-26-2013, 11:12 PM   #8
r0nd3L
Private First Class
 
Drives: 2009 135i
Join Date: Mar 2008
Location: Lombard, IL

Posts: 125
iTrader: (0)

I wouldn't worry about the plastic piece. Even if you install a new one, few months down the road it will look the same.

Quote:
Originally Posted by e679 View Post
One more thing, the rear shocks may need rebuild.
Not all shocks rebound by themselves. I would just test by hand and see if they feel ok. How many miles on them? KW dampers are very robust and should last long time.
r0nd3L is offline   United_States
0
Reply With Quote
      05-26-2013, 11:16 PM   #9
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Quote:
Originally Posted by r0nd3L View Post
I wouldn't worry about the plastic piece. Even if you install a new one, few months down the road it will look the same.



Not all shocks rebound by themselves. I would just test by hand and see if they feel ok. How many miles on them? KW dampers are very robust and should last long time.
the seller said its on the car for 9K mile, but it all depends on how the driver drives it. so do you think it looks ok to put on and use it?
jasonlu is offline   United_States
0
Reply With Quote
      05-28-2013, 01:26 PM   #10
spiike32
Major
 
spiike32's Avatar
 
Drives: Monaco Blue E92 335i
Join Date: Apr 2009
Location: shy-town

Posts: 1,060
iTrader: (8)

Bad info in this thread.... v2 and v3's don't necessarily rebound by themselves. I know, I've held v3, v2, and v1's brand new in my hands. Don't worry about the bump stop dust cover, they're like 10 bucks from KW if you really wanted a new one.

If I were you I'd take a powerwasher to those threads to get the grime off. It won't hurt the coilover at all but it may save you some agony in the future if you want to adjust your height. Seller should have been nice and cleaned them better.
__________________

Retired: FBO 335i and 318ti Current: C7 Stingray
spiike32 is offline  
0
Reply With Quote
      05-28-2013, 01:30 PM   #11
ashmostro
Lieutenant Colonel
 
ashmostro's Avatar
 
Drives: '13 335is DCT
Join Date: Jan 2013
Location: Vienna, VA

Posts: 1,640
iTrader: (9)

Quote:
Originally Posted by spiike32 View Post
Bad info in this thread.... v2 and v3's don't necessarily rebound by themselves. I know, I've held v3, v2, and v1's brand new in my hands. Don't worry about the bump stop dust cover, they're like 10 bucks from KW if you really wanted a new one.

If I were you I'd take a powerwasher to those threads to get the grime off. It won't hurt the coilover at all but it may save you some agony in the future if you want to adjust your height. Seller should have been nice and cleaned them better.
Indeed. Wipe on some antiseize in fact after cleaning them and you will be much happier if and when you want to adjust them on the car.
__________________
2013 335is DCT -- Apex 17x9 ET30 + 255/40-17" Toyo R1R | Quaife LSD | JRZ RS1 - 450/800# | M3 + Hardrace arms | BMS CP + OCC | ETS 5" FMIC | AFE FBO | RB PCV | Setrab + Improved Racing oil cooling | Stoptech f+r BBK | Cobb BQ Tune

ashmostro is offline   United_States
0
Reply With Quote
      05-29-2013, 07:09 PM   #12
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
thx guys!!!! looks like i will clean them tomorrow when i have time. What kind of soap you guys recommend? powerwash wont hurt the shock right?
jasonlu is offline   United_States
0
Reply With Quote
      05-29-2013, 08:27 PM   #13
ashmostro
Lieutenant Colonel
 
ashmostro's Avatar
 
Drives: '13 335is DCT
Join Date: Jan 2013
Location: Vienna, VA

Posts: 1,640
iTrader: (9)

I don't recommend power washing the struts as you could put undue pressure on the seals if you get too close. just use a sponge and soapy water, dry, then lube the threads with antiseize.

On the rear adjuster power washing would be safe since the shocks are separated.
__________________
2013 335is DCT -- Apex 17x9 ET30 + 255/40-17" Toyo R1R | Quaife LSD | JRZ RS1 - 450/800# | M3 + Hardrace arms | BMS CP + OCC | ETS 5" FMIC | AFE FBO | RB PCV | Setrab + Improved Racing oil cooling | Stoptech f+r BBK | Cobb BQ Tune

ashmostro is offline   United_States
0
Reply With Quote
      05-30-2013, 03:51 AM   #14
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Quote:
Originally Posted by ashmostro
I don't recommend power washing the struts as you could put undue pressure on the seals if you get too close. just use a sponge and soapy water, dry, then lube the threads with antiseize.

On the rear adjuster power washing would be safe since the shocks are separated.
Just use all purpose car wash soap to wash them. I simply put part in the water and use micro fiber to rub them and then use clean water to wash them again.
At last, use micro fiber to rub until they are dry.
That will be fine right?
jasonlu is offline   United_States
0
Reply With Quote
      05-30-2013, 06:13 AM   #15
ashmostro
Lieutenant Colonel
 
ashmostro's Avatar
 
Drives: '13 335is DCT
Join Date: Jan 2013
Location: Vienna, VA

Posts: 1,640
iTrader: (9)

Don't submerge your shocks in water.

Keep it simple- soapy sponge, wipe threads, clean off and dry, apply lube of choice. /end
__________________
2013 335is DCT -- Apex 17x9 ET30 + 255/40-17" Toyo R1R | Quaife LSD | JRZ RS1 - 450/800# | M3 + Hardrace arms | BMS CP + OCC | ETS 5" FMIC | AFE FBO | RB PCV | Setrab + Improved Racing oil cooling | Stoptech f+r BBK | Cobb BQ Tune

ashmostro is offline   United_States
0
Reply With Quote
      05-30-2013, 01:10 PM   #16
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
Quote:
Originally Posted by ashmostro
Don't submerge your shocks in water.

Keep it simple- soapy sponge, wipe threads, clean off and dry, apply lube of choice. /end
Damn, I just did that, it will be fine right?
jasonlu is offline   United_States
0
Reply With Quote
      05-30-2013, 06:00 PM   #17
KwlAznKid
Colonel
 
KwlAznKid's Avatar
 
Drives: BMW/MERCEDES/PORSCHE
Join Date: Jun 2005
Location: LA/Irvine/Fremont, CA/ University of California San Diego Alum

Posts: 2,415
iTrader: (4)

Quote:
Originally Posted by jasonlu View Post
Damn, I just did that, it will be fine right?
as long as they weren't in for a LONG time you'll be fine, good thing you got kw and not st in this case. after you wash them see if there are any leaks, it'll indicate the signs of a blown shock and it'll need to be rebuilt for sure. I was going to tell you to test the compression but it seems someone else here said that for kwv3s that's not an accurate test
__________________
BMW E92 328I /BMW E46 M3 /Mercedes Benz W209 CLK500 /BMW E92 335I(sold)/Porsche 996 911 C2(sold)/BMW E46 325CI(totaled)
KwlAznKid is offline  
0
Reply With Quote
      05-30-2013, 09:05 PM   #18
jasonlu
Captain
 
Drives: BMW335i
Join Date: Apr 2011
Location: SAN DIEGO

Posts: 639
iTrader: (4)

Send a message via MSN to jasonlu
I just put them inside the water then take it out. It was in there for less than a minute. No leak sign when I am putting them back to the box. You mean water leak from the gap of the shock?
jasonlu is offline   United_States
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 12:31 AM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST